Kolkata: Banded Krait snakes at Kolkata’s Alipore Zoological Garden, on June 10, 2020. (Photo: Kuntal Chakrabarty/IANS) Kolkata: Banded Krait snakes at Kolkata’s Alipore Zoological Garden, on June 10, 2020. (Photo: Kuntal Chakrabarty/IANS) Kolkata: Banded Krait…